Plain English Meaning
How fast the wind is blowing. In aviation it is almost always given in knots.
Full Definition
The rate at which air is moving horizontally past a fixed point, typically measured in knots in aviation. Windspeed is reported as the magnitude of the wind, separate from its direction.
Context Anchor
Seen in weather reports, forecasts, and instrument procedure planning, especially when judging wind effects during departure, en route flight, approach, and landing.
Why Pilots Care
Directly affects takeoff and landing distances, crosswind limits, and .